Latitude 5540 Owner's Manual

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WWAN module

The following table lists the Wireless Wide Area Network (WWAN) module supported on your Latitude 5540.

Table 1. WWAN module specificationsThe following table provides the WWAN module specifications of your computer.
Description	Option one	Option two
Model number	DW5823, Intel XMM 7560 R Global LTE-Advanced, CAT16	DW5931e, Intel 5G 5000 Global Gigabit NR/LTE, 3GPP Release 15
Form factor	M.2 3042 Key-B	M.2 3042 Key-B
Host interface	PCIe Gen2	PCIe Gen3
Network standard	LTE FDD/TDD, WCDMA/HSPA+,GPS/GLONASS/BDS/Galileo	NR FR1(Sub6) FDD/TDD, LTE FDD/TDD, WCDMA/HSPA+, GPS/GLONASS/Galileo/BDS/QZSS
Transfer data rate	Up to 1 Gbps DL (CAT16) Up 150 Mbps UL	SA: DL 4.67 Gbps/UL 1.25 Gbps NSA: DL 3.74 Gbps/UL 700 Mbps LTE: DL 1.6 Gbps (CAT19)/UL 150 Mbps UMTS: DL 384 kbps/UL 384 kbps DL DC-HSPA+: 42 Mbps (CAT24)/UL 11.5 Mbps (CAT7)
Operating frequency bands	LTE(B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28, B29, B30, B32, B34, B38, B39, B40, B41(HPUE), B42, B43, B46(receiver only), B48, B66, B71 WCDMA/HSPA+(1, 2, 4, 5, 8)	NR(n1, n2, n3, n5, n7, n8, n20, n25, n28, n30, n38, n40, n41, n48, n66, n71, n77, n78, n79) LTE (B1, B2, B3, B4, B5, B7, B8, B12, B13, B14, B17, B18, B19, B20, B25, B26, B28, B29, B30, B32, B34, B38, B39, B40, B41, B42, B43, B46, B48, B66, B71*) WCDMA/HSPA+ (1, 2, 4, 5, 8)
Power supply	DC 3.135 V to 4.40 V, typical 3.30 V	DC 3.135 V to 4.4 V, Typical 3.3 V
SIM card	Supported through external SIM slot	Supported through external SIM slot
eSIM with dual SIM (DSSA)	Supported (the availability of eSIM functionality embedded on the module is dependent on the region and specific carrier requirements)	Supported
Antenna diversity	Supported	Supported
Radio On/Off	Supported	Supported
Wake on wireless	Supported	Supported
Temperature	Normal operating temperature: -10°C to + 55°C Extended Operating temperature: -20°C to +65°C	Normal operating temperature: -10°C to + 55°C Extended Operating temperature: -30°C to +75°C Storage temperature: -40°C to +85°C
Antenna connector	WWAN Main Antenna x 4 Supports 4x4 MIMO	WWAN Main Antenna x 4 Supports 4x4 MIMO
NOTE:For instructions on how to find your computer's IMEI (International Mobile Equipment Identity) number, search in the Knowledge Base Resource at www.dell.com/support.